$(function(){
    $('.code_view .run_button').click(run_code);
    $('.code_view .copy_button').click(copy_code);
});
function run_code()
{
    window.open().document.write($(this).prev('textarea').val());
}
function copy_code()
{
    var t = $(this).parent().find('textarea');
    t.select();
    copyToClipboard(t.val());
}
function copyToClipboard(txt) {
    if(window.clipboardData) {
        window.clipboardData.clearData();
        window.clipboardData.setData("Text", txt);
    } else if(navigator.userAgent.indexOf("Opera") != -1) {
        window.location = txt;
    } else if (window.netscape) {
        try {
            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
        } catch (e) {
            alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");
            return;
        }
    var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
    if (!clip)
        return;
    var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
    if (!trans)
        return;
    trans.addDataFlavor('text/unicode');
    var str = new Object();
    var len = new Object();
    var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
    var copytext = txt;
    str.data = copytext;
    trans.setTransferData("text/unicode",str,copytext.length*2);
    var clipid = Components.interfaces.nsIClipboard;
    if (!clip)
        return false;
    clip.setData(trans,null,clipid.kGlobalClipboard);
    alert("复制成功")
    }
}

